Biology, 07.05.2021 20:00, lzjsjdhdgd442

1. A square mile of tropical rainforest contains 36 mammal species. A square mile of tundra contains 4 mammal species. What characteristic of ecosystems is being described above?

producers

abiotic factors

succession

biodiversity

2. Which of the following is most likely to decrease biodiversity?

Protecting more land from future housing developments

Reintroducing natural predators to an area

Clearing a forest to raise livestock for a nearby town

Adding native plants to a suburban garden

3. In the Kelp forest ecosystem, sea urchins eat kelp, and sea otters eat sea urchins.

What is the role of sea urchins in this ecosystem?

primary consumers

secondary consumers

primary producers

producers

4. What is the correct order of energy flow in an ecosystem?

sun → grass → rabbit

sun → rabbit → grass

fox → rabbit → grass

sun → fox → rabbit

Answers: 3

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1. A square mile of tropical rainforest contains 36 mammal species. A square mile of tundra contains...